Why would you do the setContentView in onCreate of Activity class in Android

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Why would you do the setContentView() in onCreate() of Activity class in Android?

Why would you do the setContentView() in onCreate() of Activity class?



Asked On2019-09-10 16:21:32 by:Tejasurve

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As onCreate() of an Activity is called only once, this is the point where most initialization should go: calling setContentView(int) to inflate the activity's UI, using findViewById to programmatically interact with widgets in the UI, calling managedQuery(android.net.Uri , String[], String, String[], String) to retrieve cursors for data being displayed, etc.

It is inefficient to set the content in onResume() or onStart() (which are called multiple times) as the setContentView() is a heavy operation.


Answerd on:2019-09-11 Answerd By:Ananth

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